from time import sleep,ctime
import thread
def loop0():
    print 'start loop 0 at:',ctime()
    sleep(4)
    print 'loop 0 done at:',ctime()
def loop1():
    print 'start loop 1 at:',ctime()
    sleep(2)
    print 'loop 1 done at:',ctime()
def main():
    print 'starting at:',ctime()
    thread.start_new_thread(loop0,())  
    thread.start_new_thread(loop1,()) 
    sleep(6)
    print 'all DONE at:',ctime()
if __name__=='__main__':
    main()
